Oscillating motor.



G. HEGER.

OSGILLATING MOTOR.

APPLIGATION FILED JUNE 1'3, 1910.

1,009,066. Patented Nov.21, 1911.

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G. HEGER. OSOILLATING MOTOR.

APPLIOATION FILED JUNE 13, 1910.

Patented Nov. 21, 1911.

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G. HEGBR.

OSGILLATING MOTOR.

APPLIOATION PILED JUNE 13, 1910.

Patented Nov. 21, 1911.

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nNrrEi STATES PATENT ornrcn.

GEORGE HEG-ER, OF MILWAUKEE, WISCONSIN, ASSIGNOR OF ONE-HALF TO WILLIAMF. BARENZ, OF MILWAUKEE, WISCON'SIN.

OSGILLATING MOTOR.

Specification of Letters Patent.

Patented Nov. 2 1, 1911.

Application filed June 13, 1910. Serial No. 566,541. a

To aZZ whom it may concern:

Be it known that I, GEORGE HEGER, resid ing in Milwaukee, in the countyof Milwaukee and State of Wisconsin, have invented v new and usefulImprovements in Oscillating Motors of which the following is adescription, reference being had to the accompanying drawings, which area part of this specificat-ion.

This invention relates to improvements in oscillating motors.

One of the objects of this invention is to provide an improved form ofmotor of the oscillating type which is simple in construction andoperation and although particularly adapted for use in operating washingmachines, it may be used for actuating various kinds of machinery.

A further Object of this invention is to provide a motor in which 'thevalve controlling the power medium is positively held and prevented frommoving until the motor piston has moved to substantially the end of itsstroke.

A further Object of the invention is to provide an oscillating motorwith an improved form of valve controlling mechanism which is locatedoutside of the piston chamber in order to be easily accessible in caserepairs are necessary.

With the above, and other oojects in,

view, the invention consists of the oscillatmg motor and t's parts andcombnatons as set forth in the claims, and all equivalents thereof.

In the accompanying lrawings in which the same reference charactersindicate the same parts in all of the Views; Figure l is a verticalsection view of the motor taken on line 1-1 of Fig. 5, parts being shownin full line; F ig. 2 is a vertical sectional view thereof taken on line2 2 of Fig. -3 with the piston swung slightly more to the left; Fig. 3is a horizontal sectional View of the motor taken on line 3-3 of F ig.1; F ig. 1 is an inverted sectional view taken on line 4-6 of Fig. 1;Fig. 5 is a horizontal sectional view taken on line 5-5 of Fi 1; Fig. 6is an invertecl horizontal sectonal view taken on line 4-6 of Fig. 1; Fig. 7 is a sectional view of the lower portion ofthe motor casing takenon line 7-7 of Fig. 3;

Fig. S is a Similar view taken on line 8-8.

' chamber.

Referring to the drawings the reference numeral 10 indicates the motorcasing which may be of any desired shape or size, but is preferably of.cylindrical form provided with supporting legs 11 for convenience infastening the casing to a washing machine. The casing is dividedmedially by a partition valve plate 12 to form an upper piston chamber13 and a lower valve mechanism chamber 14:. A vertically positionedtubular rock shaft 15 eXtends centrally through the valve plate and thetop and bottom portions of the casing and the valve plate and the top ofthe casing are provided with stuffing nuts 16 and 17 respectively, toform a water tight piston chamber. The Opening 18 through the tubularshaft is square in cross section to accommodate a square shaft 19 whichis adapted to be connected to a washing machine or other mechanism to beoperated.

A piston 20 forning part of the tubular rock shaft and extendingradially therefrom to the walls of the casing is provided with suitablepacking plates 21 to form a water tight joint between the piston and thecasing.

The piston chamber is divided vertically by a partition 22 positionedadjacent to one side of the tubular shaft to form a valve chamber 23 inwhich is located an oscillatvalve 24 adapted to control the flow of thepower medium to and from the piston chamber. A packing 25 is interposedbetween the partition 22 and the tubular shaft 15 to form a water tightjoint between these two members. An inlet pipe 26 formed integral withthe valve plate 12 communicates with the interior ofthe valve chamberthrough the inlet Opening 27 and is adapted to admit the power medium tosaid The power medium will fill the valv e chamber and eXert a Constantpressure on the oscillating valve and serve to form a liquid tight jointbetween the working face of the valve and the valve plate 12. Two ports28 and 29 provided in the valve plate and communicating with passageways30 and 31 respectively, lead into the piston chamber on opposite sidesof the piston and are adapted to alternately supply the said chamberwith the power medium. The oscillating valve 24 is provided with arecess 32 in its sliding face which is adapted to register with aneXhaust Opening 33 and alternately with one or the other of the ports 28and 29 so as to permit the escape of the power medium from the pistonchamber alternately from opposite sides of the piston when said powermedium has perforined its function. The exhaust opening 33 is incommunication with the exhaust pipe 34 formed integral with the valveplate 12. V

The oscillating valve is mounted on the upper squared end of anoscillating valve shaft 35 which extends through and is journaled in thevalve plate 12. The oscillating valve is provided with leather bumpers36 positioned to strike against the casing 10 and the partition 22 tolimit the movement of the valve and to also deaden the sound of theblow. An angle plate 37 fastened to the partition and eXtending abovethe top of the valve and a slight distance therefrom is adapted toprevent said valve from leaving the valve plate.

A stufling nut 38 serves to prevent leakage of the power medium throughthe Opening in the valve plate through which the valve shaft eXtends.

A trip lever 39 consisting of a member having two arms 40 extending atan angle therefrom is rigidly connected to the lower portion of thevalve shaft 35 and has connected thereto leaf Springs 41 positioned toyieldingly bear on opposite sides of a cam member 42 rigidly carried bythe tubular rock shaft, The cam member 42 has depending therefron twosemicircular trip flanges 43 positioned substantially concentric withrelation to the tubular shaft and one on each side thereof and which areadapted to be engaged on their inner curved faces by lugs 44 extendingupwardly from the outer ends of eXtension arms 45 projecting from thearms 40. The semicircular trip *flanges serve to hold the valve in fullopen position while the piston is swinging from one end of its stroke tothe other and also while the tension of the leaf Springs are alternatelybeing augmented by engaging the faces 46 of the cam member 42. The endsof the semicircular trip flanges are spaced a sufiicient distance apartas indicated by numeral 47 to permit the upwardly extending lugs 44 toalternately pass into and out of engagement wit-h said trip fianges whenthe piston has substantially reached the end of each stroke.

The cam member with its depending trip flanges are so positioned withrelation to the piston that the valve will be positively moved by theleaf springs to reverse the direction of feed and exhaust of the powermedium when the said piston reaches each end of its stroke.

The operation of the motor is as follows, assuning that the parts are inthe position shown in Figs. 3 and 4 the power medium :will enter thevalve chamber 23 through the inlet pipe 26 and inlet Opening 27 and willpass from said chamber into the piston chamber through the passageway 28and will swing the piston to the right as shown in Fig. 3. This movementwill cause the upper cam face (looking at Fig. 4) to engage the upperleaf spring and put it under tension and the upstanding lug 44 to bearyieldingly against the inner 'ace of the upper semicircular trip fiange43 and prevent any movement of the valve. The power medium in thepistonchamber on the opposite side of the piston will pass out throughthe passageway 31, port 29, to the recess of the valve and from thevalve to the exhaust port 33 and pipe 34 to the eXterior of the casing.As soon as the piston has reached the end of its movement the spacesbetween the depending flanges will have moved into register with theupstanding lugs, the lug of the upper arm (looking at Fig. 4) will passout of engagement with the upper flange and the lower lug will swinginto the lower space and into engagement with the inner face of thelower flange. This movement will rock the valve shaft to move the valveto uncover the port 29 and cover the port 28 and reverse the directionof feed of the power medium to the opposite side of the piston and thusreverse the direction of movement of the piston and the same operationof the ports will take place at the other end of the stroke and thuscause the oscillation of the said piston as long as the power medium issupplied to the motor.

From the foregoing description it will be seen that the direction offlow of the power medium is quickly and positively reversed at the endof each piston stroke and that the valve cannot stop at any intermediateposition.

lVhat I claim as my invention is.

1. An oscillating motor comprising a casing having a valve chamberprovided with openings, a pivoted, valve controlling said openings, atrip member connected to said valve and provided witha yielding meansfor causing it to move, an oscillating piston within the casing, andmeans connected to the piston for putting the yielding means undertension and for positively holding the trip member in a certain positionuntil the piston has reached substantially the end of its stroke;

2. An oscillating motor comprising a casing having a piston chamber anda valve chamber, a valve plate forming part of the casing and providedwith valve chamber ports in communication with the piston chamber andalso provided with an exhaust port, a valve covering the exhaust portand alternately one of the valve chamber ports, a valve shaft connectedto said valve, a trip valve member connected to said valve and providedwith a yielding means for causing it to move, an oscillating pistonwithin the casing, a cam member connected to the piston for putting theyielding means under tension, and means for releasably and posi` tivelyholding the trip valve member against movement until the. piston hasreached substantially the end of its stroke.

3. An oscillating motor comprising a casing having a piston chamber anda valve chamber, a valve plate forming part of the casing and providedwith valve chamber ports in communication with the piston chamber andalso provided with an exhaust port, a valve covering the eXhaust portand alternately one of the valve chamber ports, a valve shaft connectedto said valve, a trip member connected to said valve and provided with ayielding means for causing it to move, an oscillating piston within thecasing, a cam member connected to the piston for engaging the yieldingmeans and putting it under tension, and semicircular means forreleasably and positively holding the valve member against movementuntil the piston has reached substantially the end of its stroke.

4. An oscillating motor comprising a casing having a piston chanber anda valve chamber, a valve plate forming part of the casing and providedwith valve chamber ports in communication with the piston chamber andalso provided with an exhaust port, a valve covering the eXhaust portand alternately one of the valve chamber ports, a valve shaft connectedto said valve, a trip valve member connected to said valve and providedwith a yielding means for causing it to move, an oscillating pistonwithin the casing, a cam member connected to the piston for engaging theyielding means and putting it under tension, and semicircular flangesdepending from the cam member for releasably and positively holding thevalve trip member against movement until the piston has reachedsubstantially the end of its stroke.

5. An oscillating motor comprising a casing having a piston chamber anda valve chamber, a valve plate forming part of the casing and providedwith valve chamber ports in communication with the piston chamber andalso provided with an eX- haust port, a recessed valve covering the eX-haust port and alternately one of the valve chamber ports, a valve shaftconnected to said valve and extending through the valve plate, a tripmember fastened to the valve shaft and provided with Springs extendingtherefrom and with engaging arms, a piston shaft journaled in the casingand having a piston radiating therefrom, a cam member connected to thepiston shaft for engaging the springs and putting them under tension,and semicircular flanges connected to the piston shaft for releasablyand positively holding the valve trip member against movement until thepiston has reached substantially the end of its stroke.

6. An oscillating motor comprising a casing having a piston chamber anda valve chamber, a valve plate forming part of the casing and providedwith valve chamber ports in communication with the piston chamber andalso provided with an exhaust port, a recessed valve covering theexhaust port and alternately one of the valve chamber ports, a valveshaft connected to said valve and extending through the valve plate, atrip member connected to the valve shaft and having arms extendingtherefrom provided with upstanding lugs, springs connected to said tripmember, a piston shaft journaled in the casing and having a pistonradiating therefrom and positioned within the piston chamber, a cammember connected to the piston shaft and inte'posed between the Springsand connected to the trip member for putting said Springs under tension,and semicircular flanges connected to the piston shaft for releasablyengaging and positively holding the lugs of the arms to prevent movementof the valve until the piston has reached substantially the end of itsstroke.

7. An oscillating motor comprising a casing having a piston chamber anda valve chamber, a valve plate forming part of the casing and providedwith valve chamber ports in communication with the piston chamber andalso provided with an eXhaust port, a recessed valve covering theexhaust port and alternately one of the valve chamber ports, a valveshaft connected to said valve and extending through the valve plate, atrip member connected to the valve shaft and having arms eXtendingtherefrom provided with upstanding lugs, leaf sprin 's connected to saidtrip member and ra iat-ing therefrom, a piston shaft journaled in thecasing and having a piston radiating therefrom and positioned within thepiston chamber, a cam member connected to the piston shaft outside ofthe piston chamber and interposed between the lea' springs connected tothe valve shaft for alternately engaging and putting one of said springsunder tension, and semicircular flanges connected to the piston shaftfor releasably engaging and positively holding the lugs of the arms toprevent movement of the valve until the piston has reached substantiallythe end of its stroke.

8. An oscillating motor comprising a casing having a piston chamber anda valve chamber, a valve plate forming part of the casing and providedwith valve chamber ports in communication with the piston chamber andalso provided with an exhaust port, a recessed valve covering theeXhaust Muwe.. 0.

from and positoned within the piston cham-` ber, a cani nenber connectedto the piston i shaft outside of the piston chamber and interposedbetween the leaf Springs connected to the valve shaft for alternatelyengaging 15 and putting one of said Springs under tension, andsemicircular flanges connected to the piston shaft for releasablyengaging and postvely holding the lugs of the arns to prevent movementof the valve until the piston has reached substantally the end of itsstroke, the ends of the senicircular flanges being spaced apart topermit the ingress and egress of the lugs between the flanges.

In testimony whereof, I affix my signature, in presence of twowitnesses.

GEORGE HEGER. Witnesses:

C. H. KEENEY,

LAURA A. KELLEY.

Copies of this patent may be obtained for five cents each, by addressingthe Gommissoner of Patents,

Washington, D. C.

